GLKTextureOperations.GrayscaleAsAlpha Property
Definition
Important
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On greyscale images, controls whether the image is loaded as GL_ALPHA or GL_LUMINANCE.
public Nullable<bool> GrayscaleAsAlpha { get; set; }member this.GrayscaleAsAlpha : Nullable<bool> with get, setProperty Value
false by default, so it loads the greyscale image as GL_LUMINANCE.
Remarks
This property controls how greyscale images are loaded. By default they are loaded as GL_LUMINANCE, but if you set this property to true, they will be loaded as GL_ALPHA.